The Magic of Numbers - Seed Learning
8
The Magic of Numbers Rjurik Davidson Level 1 - 8 Contents Summary This book is about how numbers were first used and how they have changed throughout history. Before Reading Think Ahead ........................................................... 2 Vocabulary .............................................................. 3 During Reading Comprehension ...................................................... 5 After Reading Think About It ........................................................ 8
Transcript of The Magic of Numbers - Seed Learning
The Magic of NumbersRjurik Davidson
Level 1 - 8
Contents
SummaryThis book is about how numbers were first used and how they have changed throughout history.
Before Reading Think Ahead ........................................................... 2
Vocabulary .............................................................. 3
During Reading Comprehension ...................................................... 5
After Reading Think About It ........................................................ 8
2 World History Readers
Think Ahead
1. What letters can be used to show numbers?
2. What very old machine is used to calculate numbers?
3. What common, modern machine is used to do math?
4. What do we call these: + = x ≤ ?
Look at the picture and answer the questions.
digital calculator
symbol
abacus
row
Before Reading
Roman numerals
The Magic of Numbers 3
Vocabulary
A Read and match.
1. a. notice
5. e. borrow
3. c. shell
7. g. binary
2. b. sequence
6. f. dimension
4. d. marks
8. h. symbol
Before Reading
4 World History Readers
B Write the word for each definition.
1. finding something or someone for the first time
2. a number found in nature whereby one side is 1 and the other is 1.618
3. the number of times a number is increased
4. a thing that is not alive, like a stone or a chair
5. a set of numbers, symbols, or signs that are used to hide a message
C Choose the word that means about the same as the underlined words.
1. It is useful to have a method or way of doing a job to make it faster or easier.
a. dimension of b. system for c. group of d. union for
2. Roman numerals can be used to show numbers.
a. sell b. find c. notice d. represent
3. Numbers are need to write down the amount of things.
a. sequence b. time c. value d. date
4. Some animals will be aware if you take one of their eggs away from them.
a. notice b. think c. hear d. represent
code object multiple of discovery golden ratio
Before Reading
The Magic of Numbers 5
Comprehension
a. In Italy, they used letters to show the number of something.
b. Some cultures used marks to show numbers.
c. An abacus uses rows of numbers to find a larger number.
A Match the pictures with the correct sentences.
1. At what age do children start to notice numbers?
a. 6 months b. 12 months
c. 2 years d. 4 years
2. Why did people in Egypt and Sumeria need numbers?
a. To count children in schools b. To count the houses in a village
c. To count the animals they had d. To count the months of the year
3. Which system of counting is mostly used in Europe today?
a. The Indian system b. The Roman system
c. The Egyptian system d. The African system
B Choose the best answer.
1. 3.
During Reading
2.
6 World History Readers
a. An important religious building in Egypt
b. Egyptian writing with numbers
c. Shells that show the golden ratio
d. Numbers used in binary
e. A special ratio found in nature
C Choose the correct phrase for each picture. One (1) choice will not be used.
1. 2. 3. 4.
D Read each sentence. Write “T” if it is true or “F” if it is false.
1. Someone from China probably discovered the number zero.
2. The Egyptian counting system was changed by the Romans.
3. There is a ratio which can be found many in places in nature.
4. No animals are able to count.
5. The first numbers that were discovered are from about 15,000 years ago.
During Reading
The Magic of Numbers 7
F Number the events in order from 1=first to 5=last.
a. The Romans made changes to the Egyptian system.
b. Binary was created for computers.
c. Europeans changed to the Indian system of numbers.
d. Marks were made on an ancient bone in Africa to show numbers.
e. The Egyptians created a system of writing.
E Complete the sentences with the correct words.
1. In the Indian writing system, each number has its own .
2. It is common to find numbers on antique .
3. The number 49 is an example of a 7.
4. The system that uses the numbers 1 and 0 is called .
5. Symbols can be used to numbers and other things.
mark symbol
objects rows
multiple of golden ratio
dimension binary
represent notice
During Reading
8 World History Readers
Think About It
A Look in the reader to write the answers to the following 5-W questions.
B Complete the sentences below with your own ideas.
Who? What? When? Where? Why?
The and needed to create a system of numbers for counting animals.
Early people made
on objects to count the number of something.
ago, numbers were written on the Ishango Bone in Africa.
In ,
the abacus is often used instead of a calculator to do math.
The Indians used
for each number to make it easier to write.
After Reading
From this book, I learned
.
Before I read this book, I knew
.
Now I also know
.
